I had the 5th grade teacher from hell. I could write a book. She was pretty bad for everyone, but for some reason she didnât like me at all. I was probably a âknow it all,â but give me a break. My frontal lobe had not developed yet, so I didnât know how to graciously correct a teacher who pronounced âinfraredâ as âin-FRAYER-d,â or who thought Columbus landed in Florida.
Superior oblique muscle. The superior oblique muscle, or obliquus oculi superior, is a fusiform muscle originating in the upper, medial side of the orbit (i.e. from beside the nose) which abducts, depresses and internally rotates the eye. It is the only extraocular muscle innervated by the trochlear nerve (the fourth cranial nerve).
located in the lower aspect of the atrial septum receives electrical impulses from the sa node if the SA node failks the AV node can initiate and sustain a heart rate of 40 to 60 beats per min.A node. the main pacemaker that initiates each heart beat located at the junction of the superior vena cava and the right atrium the SA node generates electrical impulses at 60 to 100 times per minute and is controlled by the sympathetic and parasympathetic nervous system.